Once the 18mm nut is removed from the top of the strut, the air spring bladder can be pulled up from over the strut.
Here I am pulling up the air spring bladder.


Once the air spring bladder rubber bellows is lifted to expose the section of metal tube covering the lower air spring bladder seal, you will need some prying to expose the o-ring




First I put the strut in a vice, and grabbed the tube to spin it, then I used a lever the pry up the tube more


Here you can see the lower o-ring



The part number printed on a label on the gas strut
15.1450-0184.3 Sachs 46 2400 000 411
05347 / VD328KL Made in Germany
Bar code: 0184305347


Sliding the tube upwards




Looking into the air spring bladder I could see the orange bump stop crumbling away


View of the top smaller o-ring


View of the air spring bladder lower seal for the old air spring bladder.


Manually pushing or retracting the tube into the air spring bladder to see how the bladder folds and creases with no air in it.


Side by side of old and new air spring bladder


Side by side of old and new air spring bladder lower o-ring sealing surface



Side by side of old and new air spring bladder lower bladder seal (old bladder on the left, new one on the right is thicker)


Removing lower O-ring.


Removing upper O-ring.



Old orings on left, new on right.


I had to use a set of ViceGrips to remove this what seems to be an air pressure regulator. It has to be put back on the new inlet





Installing the air inlet parts.


When I installed the air regulator unto the new inlet fitting, it did not feel like the o-ring was being compressed. I ended up using a new o-ring from a package of o-rings that I had around. The original o-ring on the regulator was brittle and damaged anyway. The numbers on the air regulator are
49/05 13.2-3.71 on the LEFT side air spring bladder air regulator
47/05 13.2-3.71 on the RIGHT side air spring bladder air regulator





This pic I am just checking to make sure the air spring bladder is folded correctly to reduce wrinkling when expanded. This may be not an issue as air is added, but I am just being cautious.


I used a wire hanger to fish the strut damping wire through the top of the air spring bladder hole.




The large band clamp provided with the kit to clamp in the protective boot.


I hooked the ends together before sliding over the strut assembly, worked it all the way up to the rubber ridge, and used a pick to slide it into place


Then I used a special band clamp tool (I have used a wire cutter on smaller clamps before) to pinch the clamp tighter unto the boot.


Finished assembly ready to install. I cleaned and carefully removed the bar code sticker from the old air spring bladder and put it on the new one.